Fix pathman_join_pathlist_hook function to avoid fail on new assert in

build_join_pathkeys postgres function.

Caused by:
- aa86129e19d7
  Support "Right Semi Join" plan shapes

Author: Sofia Kopikova

src/hooks.c

@@ -123,7 +123,8 @@ pathman_join_pathlist_hook(PlannerInfo *root,
 	/* We don't support these join types (since inner will be parameterized) */
 	if (jointype == JOIN_FULL ||
 		jointype == JOIN_RIGHT ||
-		jointype == JOIN_UNIQUE_INNER)
+		jointype == JOIN_UNIQUE_INNER ||
+		jointype == JOIN_RIGHT_SEMI)
 		return;
 
 	/* Skip if inner table is not allowed to act as parent (e.g. FROM ONLY) */